CN108667740A - The method, apparatus and system of flow control - Google Patents
The method, apparatus and system of flow control Download PDFInfo
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- CN108667740A CN108667740A CN201710197239.6A CN201710197239A CN108667740A CN 108667740 A CN108667740 A CN 108667740A CN 201710197239 A CN201710197239 A CN 201710197239A CN 108667740 A CN108667740 A CN 108667740A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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Abstract
The embodiment of the invention discloses a kind of methods of flow control, including：Data read request is received, data read request includes first buffering area and second buffering area for obtaining stored pending data in target cache unit, target cache unit；If in target cache unit including pending data, first buffering area is detected whether in state is written into, if so, obtaining the pending data being had been written into second buffering area according to data read request；According to preset flow control condition, the pending data being had been written into second buffering area is sent.The present invention also provides a kind of flow control server and flow control systems.The embodiment of the present invention is whithin a period of time, the buffering area that unstable pending data can be stored in target cache unit, and pending data is sent according to certain flow in a controlled manner, eliminating influences caused by existing net changes in flow rate, the stability of enhanced scheme, to promote testing efficiency, and save the testing time.
Description
Technical field
The present invention relates to Internet technical field more particularly to the method, apparatus and system of flow control.
Background technology
Nowadays, internet has been widely used in daily life, in order to ensure that system can used on a large scale
In the case that family accesses, good performance is still maintained, system, which is tested for the property, also just becomes a most important thing
Work.Wherein, performance test includes mainly following three step.First satisfactory constancy is constructed by various means
Energy flow is sent to system under test (SUT) so that system under test (SUT) is in a certain load condition.Then during continued for constant performance test,
Collection system property indices data.Manual analysis is carried out finally by performance indicator data, obtains System Performance Analysis
Report.
Currently, the mode that existing net drainage may be used is tested for the property.Now net drainage introduces flow by setting
Some or all of existing net flow is introduced into system under test (SUT), is tested for the property using truthful data with reaching by per distribution ratio
Purpose.
However, the flow of truthful data has unstability in existing net, it is unable to get only by percentage control constant
Performance flow often etc. is adjusted to correct for example, general test, which obtains one group of performance indicator data, at least needs ten minutes or more
Performance flow when, the flow now netted at this time has occurred and that variation, can only go modification percentage true to limit again again
The flow of data causes testing efficiency relatively low, spends the time longer.
Invention content
It, can whithin a period of time will be unstable an embodiment of the present invention provides the method, apparatus of flow control and system
Pending data be centrally stored in the buffering area in target cache unit, and sent in a controlled manner according to certain flow
Pending data, eliminating influences caused by existing net changes in flow rate, the stability of enhanced scheme, to promote testing efficiency,
And save the testing time.
In view of this, first aspect present invention provides a kind of method of flow control, including：
Data read request is received, the data read request is stored pending in target cache unit for obtaining
Data, the target cache unit include first buffering area and second buffering area；
If in the target cache unit including the pending data, according to data read request detection
Whether first buffering area is in state is written into, if so, obtaining the pending number being had been written into the second buffering area
According to；
According to preset flow control condition, the pending data being had been written into the second buffering area is sent.
Second aspect of the present invention provides a kind of flow control server, including：
First receiving module, for receiving data read request, the data read request is for obtaining target cache list
Stored pending data in member, the target cache unit include first buffering area and second buffering area；
Detection module connects if for including the pending data in the target cache unit according to described first
It receives the data read request that module receives and detects the first buffering area whether in state is written into, if so, obtaining
The pending data being had been written into the second buffering area；
Sending module, for according to preset flow control condition, send get after the detection module detection it is described
The pending data being had been written into second buffering area.
Third aspect present invention provides a kind of flow control system, including：Transfer server, flow control server, data
Library server and background server；
The transfer server, for obtaining pending data；
Flow control server described in any one of described flow control server the claims 8 to 14；
The database server, the pending data sent for storing the flow control server；
The Background control server, for controlling the transfer server, the flow control server and the data
Library server.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
In the embodiment of the present invention, a kind of method of flow control is provided, flow control server receives data read request,
In, data read request includes first for obtaining stored pending data in target cache unit, target cache unit
Buffering area and second buffering area, if including pending data in target cache unit, flow control server based on data is read
Whether in state is written into request detection first buffering area, if so, being had been written into acquisition second buffering area pending
Data send pending data according to preset flow control condition.It, can will be unstable by the above-mentioned means, whithin a period of time
Fixed pending data is centrally stored in the buffering area in target cache unit, and is sent out in a controlled manner according to certain flow
Pending data is sent, eliminating influences caused by existing net changes in flow rate, the stability of enhanced scheme, to promote test effect
Rate, and save the testing time.
Description of the drawings
Fig. 1 is the system architecture diagram that flow control is realized in the embodiment of the present invention；
Fig. 2 is the interface schematic diagram of user configuration test assignment in the embodiment of the present invention；
Fig. 3 is method one embodiment schematic diagram of flow control in the embodiment of the present invention；
Fig. 4 is the embodiment schematic diagram that existing network data shunts in the embodiment of the present invention；
Fig. 5 is the embodiment schematic diagram that ping-pong buffer is realized in the embodiment of the present invention；
Fig. 6 is to issue data cached embodiment schematic diagram in the embodiment of the present invention；
Fig. 7 is flow control server one embodiment schematic diagram in the embodiment of the present invention；
Fig. 8 is another embodiment schematic diagram of flow control server in the embodiment of the present invention；
Fig. 9 is another embodiment schematic diagram of flow control server in the embodiment of the present invention；
Figure 10 is another embodiment schematic diagram of flow control server in the embodiment of the present invention；
Figure 11 is another embodiment schematic diagram of flow control server in the embodiment of the present invention；
Figure 12 is another embodiment schematic diagram of flow control server in the embodiment of the present invention；
Figure 13 is another embodiment schematic diagram of flow control server in the embodiment of the present invention；
Figure 14 is another embodiment schematic diagram of flow control server in the embodiment of the present invention；
Figure 15 is one structural schematic diagram of flow control server in the embodiment of the present invention；
Figure 16 is system one embodiment schematic diagram of flow control in the embodiment of the present invention.
Specific implementation mode
It, can whithin a period of time will be unstable an embodiment of the present invention provides the method, apparatus of flow control and system
Pending data be centrally stored in the buffering area in target cache unit, and sent in a controlled manner according to certain flow
Pending data, eliminating influences caused by existing net changes in flow rate, the stability of enhanced scheme, to promote testing efficiency,
And save the testing time.
Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing, "
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " comprising " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, production
Product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly or for this
The intrinsic other steps of processes, method, product or equipment or unit a bit.
It should be understood that the present invention is applied to the system of flow control, referring to Fig. 1, Fig. 1 is to realize stream in the embodiment of the present invention
The system architecture diagram for measuring control, the performance test of constant pressure can be realized using frame shown in FIG. 1, it is to be understood that
The present invention can be used for test advertisements commending system, feature of the advertisement commending system according to Internet user, user's history behavior
And the information such as behavior in real time, the use of specific algorithm is that user recommends suitable advertisement.In practical applications, the present invention is not
It is only limitted to test advertisements commending system, herein an only example.
Existing net flow can be introduced test system by the transfer server in Fig. 1, that is, realize existing net drainage, wherein now net
Indicate the set for the hardware and software formally disposed in production environment, i.e. production environment, such as " QQ space " and its corresponding clothes
Business device, " circle of friends " and its corresponding server etc..And it is a kind of request for replicating and now netting now to net drainage, and equivalent forwards in real time
To test system.Then the flow control based on ping pong scheme is used by flow control server, so-called ping pong scheme is exactly that will first count
Flow control server is shunted it according to according to system indexs such as task and algorithms, flow control server is cached by ping-pong buffer mechanism
Existing network data is at the uniform velocity sent to system under test (SUT) finally by control pressurer system by data cached.
System under test (SUT) is exactly the system for needing to be tested, such as can be advertisement commending system.It is taken by model automatic push
Device be engaged in periodically to required data model in system under test (SUT) automatic push its calculating process, then database server will be deposited
Store up the intermediate results such as performance data.Control background server can receive the instruction that user issues, and carry management function,
Work for controlling flow control server, database server and model automatic push server.
The work of flow control system depends on setting of the user to it, user to issue test assignment by terminal and look into
See test case.By visualizing the interface configurations of front end, realizes performance test, there is above test platform, performance test
It can simplify as following three step：
First, user is by front-end configuration performance test task, and for configuration task with reference to figure 2, Fig. 2 is in the embodiment of the present invention
The interface schematic diagram of user configuration test assignment, user can add task names, then select data source and service class
Type.User uses an algorithm in advance, and calculates issued transaction amount (full name in English per second：Transaction Per
Second, english abbreviation：TPS), the indices of running environment and execute server are reset, including server is internet
Interconnection agreement (full name in English：Internet Protocol, english abbreviation：IP) address, port numbers and receptance.
Then user triggers " submission " instruction, to issue task and run.
It finally can check and analyze test result.
It should be noted that the test assignment display interface described in above-mentioned Fig. 2 is only a signal, in practical applications,
The setting that can also have other content, is not construed as limiting herein.
Below by from the angle of flow control server, the method for flow control in the present invention is introduced, referring to Fig. 3,
Method one embodiment of flow control in the embodiment of the present invention includes：
101, data read request is received, data read request is stored pending in target cache unit for obtaining
Data, target cache unit include first buffering area and second buffering area；
In the present embodiment, flow control server can receive the data read request that user issues by testing front end first, should
Data read request indicates that flow control server obtains pending data stored in target cache unit, wherein pending
Data may be considered the data in existing net, and target cache unit has certain correspondence with the data in current existing net,
And target cache unit includes first buffering area and second buffering area, first buffering area and second buffering area it can be appreciated that
It is queue.
It should be noted that first buffering area and second buffering area are only used for two buffering areas of difference, do not limit at that time
Sequence is also not fixed its arrangement mode.
If including 102, pending data in target cache unit, detecting first buffering area according to data read request is
No be in is written into state, if so, obtaining the pending data being had been written into second buffering area；
It, can root if flow control server, which detects, contains pending data in target cache unit in the present embodiment
Whether first buffering area is further detected currently in the state being written according to the data read request received, and write state is
To load the state of data into first buffering area.
If current first buffering area is in the state of being written into, flow control server needs to obtain in another buffering area
Pending data, that is, obtain the pending data that has been written into second buffering area.Also being equivalent to can be in a buffering area
When in write state, the data of another buffering area are read, to realize the effect of table tennis reading.
103, according to preset flow control condition, the pending data being had been written into second buffering area is sent.
In the present embodiment, last flow control server will have been written into according still further to preset flow control condition in second buffering area
Pending data send, preset flow control condition be mainly used for limit pending data transmission rate.
In the embodiment of the present invention, a kind of method of flow control is provided, flow control server receives data read request,
In, data read request includes first for obtaining stored pending data in target cache unit, target cache unit
Buffering area and second buffering area, if including pending data in target cache unit, flow control server based on data is read
Whether in state is written into request detection first buffering area, if so, being had been written into acquisition second buffering area pending
Data send pending data according to preset flow control condition.It, can will be unstable by the above-mentioned means, whithin a period of time
Fixed pending data is centrally stored in the buffering area in target cache unit, and is sent out in a controlled manner according to certain flow
Pending data is sent, eliminating influences caused by existing net changes in flow rate, the stability of enhanced scheme, to promote test effect
Rate, and save the testing time.
Optionally, on the basis of above-mentioned Fig. 3 corresponding embodiments, the method for flow control provided in an embodiment of the present invention
In first alternative embodiment, after receiving data read request, can also include：
Obtain the corresponding target identification information of pending data；
According to target identification information from buffer unit set determine pending data corresponding to target cache unit,
In, buffer unit set includes at least one buffer unit, and each buffer unit is corresponded with each identification information.
In the present embodiment, flow control server, can also be from buffer unit set after receiving data read request
Corresponding pending data is found in some buffer unit.
Specifically, referring to Fig. 4, Fig. 4 is the embodiment schematic diagram that existing network data shunts in the embodiment of the present invention, as schemed institute
Show, network receiving module receives data from existing net first, then parses the data by Service Processing Module, and according to data
It classifies identification information pair, and identification information includes but are not limited to algorithm identification number (full name in English：Identity, English
Abbreviation：ID).The data classified are sent to each independent listening port of flow control server, flow control clothes by network sending module
Business device passes through independent listening port and receives categorized good data and storage, wherein a listening port corresponds to one and delays
Memory cell, a buffer unit correspond to an identification information again.
Then, flow control server needs first to obtain the corresponding target identification of pending data when extracting pending data
Then information searches corresponding target identification information from buffer unit set, including the buffer unit of target identification information is
For target cache unit.
Secondly, it in the embodiment of the present invention, after flow control server receives data read request, needs first to obtain pending number
According to corresponding target identification information, then determined corresponding to pending data from buffer unit set according to target identification information
Target cache unit.By the above-mentioned means, using the correspondence between identification information and buffer unit come determine this into
Which buffer unit is the data of row test should be taken from, to realize the purpose of data distribution, while to prevent different type
Data interfere with each other.
Optionally, on the basis of above-mentioned Fig. 3 corresponding embodiments, the method for flow control provided in an embodiment of the present invention
In second alternative embodiment, first buffering area is detected whether after being written into state according to data read request, may be used also
To include：
If first buffering area is not in the state of being written into, the pending data being had been written into first buffering area is obtained.
It in the present embodiment, sorts data into and drains into after flow control server, make for follow-up transmission after needing classification storage
With in order to avoid being interfered with each other between read-write, additionally providing following settling mode.
Specifically, assuming to be stored with pending data in target cache unit, flow control server can first detect the first buffering
Whether area is in state is written into, if it is, the pending data being had been written into second buffering area is read, whereas if inspection
Measure first buffering area and be not in the state of being written into, then automatically select read first buffering area in stored pending data i.e.
Can, detection second buffering area is no longer needed to whether in state is written into, but it is presumed that needing to ensure in current first buffering area
With pending data.Otherwise, even if first buffering area, which is not in, can not therefrom obtain pending data if being written into state.
Secondly, in the embodiment of the present invention, whether flow control server detection first buffering area is in being written into after state, such as
Fruit detects that first buffering area is not in the state of being written into, then can obtain the pending data being had been written into first buffering area.
It is read and write by the above-mentioned means, can be carried out at the same time to avoid first buffering area, that is to say, that be in quilt in first buffering area
When write state, the data in second buffering area are read, and first buffering area is not in when being written into state, then preferential to read the
The pending data being had been written into one buffering area can both have been solved the small data of flow with this and existed to realize ping-pong buffer
Line buffer problem, and the big data overflow problem of flow can be solved.
Optionally, on the basis of above-mentioned Fig. 3 corresponding embodiments, the method for flow control provided in an embodiment of the present invention
In third alternative embodiment, after receiving data read request, can also include：
If not including pending data in target cache unit, it is determined that pending data obtains failure.
In the present embodiment, flow control server is after receiving data read request, if detected in target cache unit
There is no storage pending data, illustrate that this obtains the request of pending data failure, it can be by flow control server forward end
Equipment feedback request failure notification so that user learn as a result, and can select in time carry out a new round data selection and
System testing.
Secondly, in the embodiment of the present invention, a kind of more special scene is provided, i.e. flow control server is receiving data
After read requests, if it find that not including pending data in target cache unit corresponding with the request, it is determined that data
Obtain failure.By the above-mentioned means, explanation is not when target cache unit stores corresponding data as requested, it is believed that
Test invalidation needs to reacquire other data for being tested, to the operability of the flexibility of lifting scheme.
Optionally, on the basis of above-mentioned Fig. 3 corresponding embodiments, the method for flow control provided in an embodiment of the present invention
In 4th alternative embodiment, detected in first buffering area whether after being written into state, also according to data read request
May include：
If first buffering area is in and is written into state, whether judge in second buffering area comprising the pending number having been written into
According to；
If not including the pending data that has been written into second buffering area, obtain had been written into first buffering area wait locating
Data are managed, and send the pending data being had been written into first buffering area according to preset flow control condition.
In the present embodiment, if being in the state of being written into flow control server detection first buffering area, theoretically
The pending data in second buffering area should be read, but does not ensure that current centainly store waits locating in second buffering area
Data are managed, then also need to further judge whether comprising the pending data having been written into second buffering area, if contained
The pending data having been written into, then corresponding content can be directly read, whereas if there is no wrap for second buffering area
Containing the pending data having been written into, this just needs the scheme that " read-while writing " is carried out in first buffering area.
Specifically, be written and read parallel i.e. by the way of singly caching in a buffering area, it can be by giving in buffering area
Each caching subelement increase Read-Write Locks and realize that Read-Write Locks are really a kind of special spin lock, it is to shared resource
Visitor be divided into reader and writer, reader only carries out read access to shared resource, and writer then needs to carry out shared resource
Write operation.This locking phase can improve concurrency for spin lock, because in a multi-processor system, it allows while having
Multiple readers access shared resource, and reader's number of maximum possible is actual logic processor number.If Read-Write Locks do not have currently
There is reader, also without writer, then writer can be with immediately obtained Read-Write Locks, otherwise it must spin there, until not appointing
What writer or reader.If Read-Write Locks do not have writer, reader that can obtain the Read-Write Locks immediately, otherwise reader must spin
There, until writer discharges the Read-Write Locks.
Secondly, in the embodiment of the present invention, a kind of mode of digital independent is additionally provided, when some buffering area is being in
The state being written into, but not required pending data in another buffering area can also at this time use single caching machine
System, is written and read parallel processing.By the above-mentioned means, pending data can be still read in the case of certain special, to
The application range of increase scheme, while flexibility and the practicability of lifting scheme.
Optionally, on the basis of above-mentioned Fig. 3 corresponding embodiments, the method for flow control provided in an embodiment of the present invention
In 5th alternative embodiment, before receiving data read request, can also include：
Receive pending data；
If the first buffering area and second buffering area in target cache unit are sky, by pending data write-in the
One buffering area, or second buffering area is written into pending data.
In the present embodiment, before reading pending data, write-in pending data is also needed.Flow control server receives first
Then pending data detects the specific storage condition of the first buffering area and second buffering area in target cache unit, such as
Fruit first buffering area and second buffering area are all without storing any data, then also can arbitrarily select one of buffering area
Carry out the write-in of pending data.
Secondly, in the embodiment of the present invention, flow control server is before receiving data read request, it is also necessary to by pending number
It will be waited for according to write-in target cache unit if the first buffering area and second buffering area in target cache unit are sky
Second buffering area is written in pending data by processing data write-in first buffering area.By the above-mentioned means, illustrating how to be written
One of them can be arbitrarily written in the case where first buffering area and second buffering area are sky in the mode of pending data
Buffering area meets the practicability and reliability of scheme with this.
Optionally, on the basis of above-mentioned Fig. 3 corresponding 5th embodiment, flow control provided in an embodiment of the present invention
The 6th alternative embodiment of method in, by pending data be written first buffering area after, can also include：
If the first buffering area in target cache unit has been write completely, second buffering area is written into pending data；
After the second buffering area is written in pending data, can also include：
If the second buffering area in target cache unit has been write completely, first buffering area is written into pending data.
In the present embodiment, how describe using ping pong scheme write-in pending data.Briefly, when number to be handled
When according to write request, first a buffering area write-in switches into row buffer, starts to another after the buffering area is write completely thereto
The pending data is written in one buffering area.
It for ease of understanding, below can be with a concrete application scene to realizing that the process of ping-pong buffer carries out in the present invention
Detailed description, referring to Fig. 5, Fig. 5 is the embodiment schematic diagram for realizing ping-pong buffer in the embodiment of the present invention, specially：
Assuming that target cache unit is buffer unit 2, first buffering area is buffering area A, and second buffering area is buffering area B,
At this point, getting pending data, and it is written into some buffering area.Two kinds of situations can be divided into, the first situation is first
Pending data is written to first buffering area, first buffering area write it is full after, continue pending data being written to second and delay
Rush area；The second situation is that pending data is first written to second buffering area, after second buffering area is write completely, continues to wait locating
Reason processing is written to first buffering area.In this way, read-write alternating can be repeated.
Again, in the embodiment of the present invention, if the first buffering area in target cache unit has been write completely, by pending number
Then pending data is written, whereas if the second buffering area in target cache unit has been write completely according to write-in second buffering area
First buffering area.By the above-mentioned means, so that pending data is write during target cache unit is written also in compliance with table tennis
The principle entered, not stores data by the way of singly caching, without frequently increasing Read-Write Locks, to the performance of lifting scheme.
Optionally, on the basis of above-mentioned Fig. 3 corresponding embodiments, the method for flow control provided in an embodiment of the present invention
In 7th alternative embodiment, according to preset flow control condition, the pending data being had been written into second buffering area is sent, it can
To include：
The pending data being had been written into second buffering area is sent in first time period according to preset data transmission times；
When the transmission times in first time period reaches preset data transmission times, according to preset data transmission times
The pending data being had been written into second buffering area is sent in second time period, wherein second time period is first time period
A period of time later.
In the present embodiment, flow control control continuously reads data from ping pong scheme buffering area, and by reading
Data are uniformly sent to system under test (SUT).Specifically as shown in fig. 6, Fig. 6 is to issue data cached implementation in the embodiment of the present invention
It illustrates and is intended to, every class data of each system under test (SUT) correspond to a sending module, and sending module is read from ping pong scheme buffering area
Pending data is taken, current limliting module is transferred to.
Current limliting module in flow control server limits the speed for sending pending data by preset flow control condition,
Data volume is enable equably to be sent to system under test (SUT).Preset flow control condition is, first according to preset data transmission times
The pending data being had been written into second buffering area is sent in first time period, then in the second time period of same duration
It is interior, the pending data being had been written into second buffering area is sent in second time period according to preset data transmission times.
Specifically, it is assumed that first time period is 1 millisecond, and limits 3 pending datas of every 1 millisecond of transmission, then when 1 milli
When the data volume sent in second does not reach 3, it also will continue to send, if the data volume sent in 1 millisecond has reached 3,
Dormant state will so be entered, after this 1 millisecond time section end, using continuing to send.
Adopt in manner just described it is ensured that in a period of time the transmission of pending data be relatively uniform, also comparison operators
The characteristics of closing existing net flow.
Secondly, in the embodiment of the present invention, flow control server can be according to preset data transmission times in first time period
The pending data being had been written into second buffering area is sent, is sent when the transmission times in first time period reaches preset data
When number, the pending number being had been written into second buffering area is just sent in second time period according to preset data transmission times
According to.By the above-mentioned means, the rate of pending data transmission can be efficiently controlled, the pending data of reading is equably sent out
Toward system under test (SUT), to avoid system under test (SUT) due to flow pressure excessive the case where leading to not normally handle, with this side of being promoted
The practicability and feasibility of case.
The flow control server in the present invention is described in detail below, referring to Fig. 7, the flow control server 20 wraps
It includes：
First receiving module 201, for receiving data read request, the data read request is for obtaining target cache
Stored pending data in unit, the target cache unit include first buffering area and second buffering area；
Detection module 202, if for including the pending data in the target cache unit, according to described first
Whether the data read request detection first buffering area that receiving module 201 receives, which is in, is written into state, if so,
Obtain the pending data being had been written into the second buffering area；
Sending module 203, for according to preset flow control condition, sending after the detection module 202 detects and getting
The second buffering area in the pending data that has been written into.
In the present embodiment, the first receiving module 201 receives data read request, and the data read request is for obtaining mesh
Stored pending data in buffer unit is marked, the target cache unit includes first buffering area and second buffering area,
If including the pending data in the target cache unit, detection module 202 connects according to first receiving module 201
The data read request received detects the first buffering area whether in state is written into, if so, obtaining described second
The pending data being had been written into buffering area, sending module 203 send the detection mould according to preset flow control condition
The pending data being had been written into the second buffering area that block 202 is got after detecting.
In the embodiment of the present invention, a kind of flow control server is provided, flow control server receives data read request, wherein
Data read request includes the first buffering for obtaining stored pending data in target cache unit, target cache unit
Area and second buffering area, if in target cache unit including pending data, flow control server based on data read requests
Whether it is in detection first buffering area and is written into state, if so, the pending data being had been written into second buffering area is obtained,
Pending data is sent according to preset flow control condition.By the above-mentioned means, whithin a period of time, unstable can be waited for
Processing data are centrally stored in the buffering area in target cache unit, and are sent according to certain flow wait locating in a controlled manner
Data are managed, eliminating influences caused by existing net changes in flow rate, the stability of enhanced scheme, to promote testing efficiency, and
Save the testing time.
Optionally, on the basis of embodiment corresponding to above-mentioned Fig. 7, referring to Fig. 8, stream provided in an embodiment of the present invention
In another embodiment for controlling server,
The flow control server 20 further includes：
First acquisition module 204A, after receiving data read request for first receiving module 201, described in acquisition
The corresponding target identification information of pending data；
First determining module 204B, the target identification information for being obtained according to the first acquisition module 204A from
The target cache unit corresponding to the pending data is determined in buffer unit set, wherein the buffer unit set packet
Containing at least one buffer unit, and each buffer unit is corresponded with each identification information.
Secondly, it in the embodiment of the present invention, after flow control server receives data read request, needs first to obtain pending number
According to corresponding target identification information, then determined corresponding to pending data from buffer unit set according to target identification information
Target cache unit.By the above-mentioned means, using the correspondence between identification information and buffer unit come determine this into
Which buffer unit is the data of row test should be taken from, to realize the purpose of data distribution, while to prevent different type
Data interfere with each other.
Optionally, on the basis of embodiment corresponding to above-mentioned Fig. 7, referring to Fig. 9, stream provided in an embodiment of the present invention
In another embodiment for controlling server,
The flow control server 20 further includes：
Second acquisition module 205, it is slow according to data read request detection described first for the detection module 202
Area is rushed whether in being written into after state, if the first buffering area is not in the state of being written into, it is slow to obtain described first
Rush the pending data being had been written into area.
Secondly, in the embodiment of the present invention, whether flow control server detection first buffering area is in being written into after state, such as
Fruit detects that first buffering area is not in the state of being written into, then can obtain the pending data being had been written into first buffering area.
It is read and write by the above-mentioned means, can be carried out at the same time to avoid first buffering area, that is to say, that be in quilt in first buffering area
When write state, the data in second buffering area are read, and first buffering area is not in when being written into state, then preferential to read the
The pending data being had been written into one buffering area can both have been solved the small data of flow with this and existed to realize ping-pong buffer
Line buffer problem, and the big data overflow problem of flow can be solved.
Optionally, on the basis of embodiment corresponding to above-mentioned Fig. 7, referring to Fig. 10, provided in an embodiment of the present invention
In another embodiment of flow control server,
The flow control server 20 further includes：
Second determining module 206, after receiving data read request for first receiving module 201, if the mesh
It marks and does not include the pending data in buffer unit, it is determined that the pending data obtains failure.
Secondly, in the embodiment of the present invention, a kind of more special scene is provided, i.e. flow control server is receiving data
After read requests, if it find that not including pending data in target cache unit corresponding with the request, it is determined that data
Obtain failure.By the above-mentioned means, explanation is not when target cache unit stores corresponding data as requested, it is believed that
Test invalidation needs to reacquire other data for being tested, to the operability of the flexibility of lifting scheme.
Optionally, on the basis of embodiment corresponding to above-mentioned Fig. 7,1 is please referred to Fig.1, it is provided in an embodiment of the present invention
In another embodiment of flow control server,
The flow control server 20 further includes：
Judgment module 207A, for the detection module 202 according to data read request detection first buffering
Whether in being written into after state in area, if the first buffering area, which is in, is written into state, second buffering is judged
Whether include the pending data having been written into area；
Third acquisition module 207B does not include if judging to obtain in the second buffering area for the judgment module 207A
The pending data having been written into then obtains the pending data being had been written into the first buffering area, and according to pre-
If flow control condition sends the pending data being had been written into the first buffering area.
Secondly, in the embodiment of the present invention, a kind of mode of digital independent is additionally provided, when some buffering area is being in
The state being written into, but not required pending data in another buffering area can also at this time use single caching machine
System, is written and read parallel processing.By the above-mentioned means, pending data can be still read in the case of certain special, to
The application range of increase scheme, while flexibility and the practicability of lifting scheme.
Optionally, 2 are please referred to Fig.1 on the basis of embodiment corresponding to above-mentioned Fig. 7, it is provided in an embodiment of the present invention
In another embodiment of flow control server,
The flow control server 20 further includes：
Second receiving module 208A, before receiving data read request for first receiving module 201, described in reception
Pending data；
First writing module 208B, if for the first buffering area and described second in the target cache unit
Buffering area is sky, then the first buffering area is written in the pending data received the second receiving module 208A,
Or the second buffering area is written into the pending data.
Secondly, in the embodiment of the present invention, flow control server is before receiving data read request, it is also necessary to by pending number
It will be waited for according to write-in target cache unit if the first buffering area and second buffering area in target cache unit are sky
Second buffering area is written in pending data by processing data write-in first buffering area.By the above-mentioned means, illustrating how to be written
One of them can be arbitrarily written in the case where first buffering area and second buffering area are sky in the mode of pending data
Buffering area meets the practicability and reliability of scheme with this.
Optionally, 3 are please referred to Fig.1 on the basis of embodiment corresponding to above-mentioned Fig. 7, it is provided in an embodiment of the present invention
In another embodiment of flow control server,
The flow control server 20 further includes：
The pending data is written described first by the second writing module 209 for the first writing module 208B
After buffering area, if the first buffering area in the target cache unit has been write completely, the pending data is written
The second buffering area, or,
After the second buffering area is written in the pending data by the first writing module 208B, if the target
The second buffering area in buffer unit has been write completely, then the first buffering area is written in the pending data.
Again, in the embodiment of the present invention, if the first buffering area in target cache unit has been write completely, by pending number
Then pending data is written, whereas if the second buffering area in target cache unit has been write completely according to write-in second buffering area
First buffering area.By the above-mentioned means, so that pending data is write during target cache unit is written also in compliance with table tennis
The principle entered, not stores data by the way of singly caching, without frequently increasing Read-Write Locks, to the performance of lifting scheme.
Optionally, on the basis of embodiment corresponding to any one of above-mentioned Fig. 7 to Figure 13,4 are please referred to Fig.1, this hair
In another embodiment for the flow control server that bright embodiment provides,
The sending module 203 includes：
First transmission unit 2031, it is slow for sending described second in first time period according to preset data transmission times
Rush the pending data being had been written into area；
Second transmission unit 2032, for being reached when transmission times of first transmission unit in the first time period
When to the preset data transmission times, the second buffering area is sent in second time period according to preset data transmission times
In the pending data that has been written into, wherein the second time period is a period of time after the first time period.
Secondly, in the embodiment of the present invention, flow control server can be according to preset data transmission times in first time period
The pending data being had been written into second buffering area is sent, is sent when the transmission times in first time period reaches preset data
When number, the pending number being had been written into second buffering area is just sent in second time period according to preset data transmission times
According to.By the above-mentioned means, the rate of pending data transmission can be efficiently controlled, the pending data of reading is equably sent out
Toward system under test (SUT), to avoid system under test (SUT) due to flow pressure excessive the case where leading to not normally handle, with this side of being promoted
The practicability and feasibility of case.
Figure 15 is a kind of server architecture schematic diagram provided in an embodiment of the present invention, which can be because of configuration or property
Energy is different and generates bigger difference, may include one or more central processing units (central processing
Units, CPU) 322 (for example, one or more processors) and memory 332, one or more storages apply journey
The storage medium 330 (such as one or more mass memory units) of sequence 342 or data 344.Wherein, 332 He of memory
Storage medium 330 can be of short duration storage or persistent storage.The program for being stored in storage medium 330 may include one or one
With upper module (diagram does not mark), each module may include to the series of instructions operation in server.Further, in
Central processor 322 could be provided as communicating with storage medium 330, be executed on server 300 a series of in storage medium 330
Instruction operation.
Server 300 can also include one or more power supplys 326, one or more wired or wireless networks
Interface 350, one or more input/output interfaces 358, and/or, one or more operating systems 341, such as
Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..
The server architecture shown in figure 15 can be based on by the step performed by server in above-described embodiment.
Wherein, CPU 322 is used for,
Data read request is received, the data read request is stored pending in target cache unit for obtaining
Data, the target cache unit include first buffering area and second buffering area；
If in the target cache unit including the pending data, according to data read request detection
Whether first buffering area is in state is written into, if so, obtaining the pending number being had been written into the second buffering area
According to；
According to preset flow control condition, the pending data being had been written into the second buffering area is sent.
It is flow control system one embodiment schematic diagram in the embodiment of the present invention, the system to please refer to Fig.1 6, Figure 16
Including transfer server 401, flow control server 402, database server 403 and background server 404；
Transfer server 401, for obtaining pending data；
Flow control server 402, for receiving data read request, data read request is for obtaining in target cache unit
Stored pending data, target cache unit includes first buffering area and second buffering area, if in target cache unit
Including pending data, then detect first buffering area whether in state is written into, if so, obtaining according to data read request
The pending data being had been written into second buffering area has been written into according to preset flow control condition in transmission second buffering area
Pending data；
Database server 403, the pending data sent for storing the flow control server 402；
Background control server 404, for controlling transfer server 401, flow control server 402 and database server
403。
In the embodiment of the present invention, a kind of system of flow control is provided, flow control server receives data read request,
In, data read request includes first for obtaining stored pending data in target cache unit, target cache unit
Buffering area and second buffering area, if including pending data in target cache unit, flow control server based on data is read
Whether in state is written into request detection first buffering area, if so, being had been written into acquisition second buffering area pending
Data send pending data according to preset flow control condition.It, can will be unstable by the above-mentioned means, whithin a period of time
Fixed pending data is centrally stored in the buffering area in target cache unit, and is sent out in a controlled manner according to certain flow
Pending data is sent, eliminating influences caused by existing net changes in flow rate, the stability of enhanced scheme, to promote test effect
Rate, and save the testing time.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (full name in English：Read-Only
Memory, english abbreviation：ROM), random access memory (full name in English：Random Access Memory, english abbreviation：
RAM), the various media that can store program code such as magnetic disc or CD.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (15)
1. a kind of method of flow control, which is characterized in that including：
Data read request is received, the data read request is for obtaining stored pending number in target cache unit
According to the target cache unit includes first buffering area and second buffering area；
If including the pending data in the target cache unit, described first is detected according to the data read request
Whether buffering area is in state is written into, if so, obtaining the pending data being had been written into the second buffering area；
According to preset flow control condition, the pending data being had been written into the second buffering area is sent.
2. according to the method described in claim 1, it is characterized in that, after the reception data read request, the method is also
Including：
Obtain the corresponding target identification information of the pending data；
According to target cache list of the target identification information from buffer unit set corresponding to the determining pending data
Member, wherein the buffer unit set includes at least one buffer unit, and each buffer unit and an identification information are one by one
It is corresponding.
3. according to the method described in claim 1, it is characterized in that, described detect described first according to the data read request
Whether in being written into after state, the method further includes buffering area：
If the first buffering area is not in the state of being written into, obtain had been written into the first buffering area it is described pending
Data.
4. according to the method described in claim 1, it is characterized in that, described detect described first according to the data read request
Whether in being written into after state, the method further includes buffering area：
If the first buffering area is in and is written into state, judge whether described comprising having been written into the second buffering area
Pending data；
If not including the pending data having been written into the second buffering area, obtains and write in the first buffering area
The pending data entered, and send according to preset flow control condition had been written into the first buffering area described in wait locating
Manage data.
5. according to the method described in claim 1, it is characterized in that, before the reception data read request, the method is also
Including：
Receive the pending data；
If the first buffering area and the second buffering area in the target cache unit are sky, wait locating by described
It manages data and the first buffering area is written, or the second buffering area is written into the pending data.
6. according to the method described in claim 5, it is characterized in that, described by pending data write-in first buffering
After area, the method further includes：
If the first buffering area in the target cache unit has been write completely, the pending data is written described second
Buffering area；
After the second buffering area by pending data write-in, the method further includes：
If the second buffering area in the target cache unit has been write completely, the pending data is written described first
Buffering area.
7. method according to any one of claim 1 to 6, which is characterized in that it is described according to preset flow control condition,
The pending data being had been written into the second buffering area is sent, including：
Sent in first time period according to preset data transmission times had been written into the second buffering area it is described pending
Data；
When the transmission times in the first time period reaches the preset data transmission times, sent according to preset data
Number sends the pending data being had been written into the second buffering area in second time period, wherein when described second
Between section be the first time period after a period of time.
8. a kind of flow control server, which is characterized in that including：
First receiving module, for receiving data read request, the data read request is for obtaining in target cache unit
Stored pending data, the target cache unit include first buffering area and second buffering area；
Detection module receives mould if for including the pending data in the target cache unit according to described first
The data read request that block receives detects the first buffering area whether in state is written into, if so, described in obtaining
The pending data being had been written into second buffering area；
Sending module, for according to preset flow control condition, sending described second got after the detection module detects
The pending data being had been written into buffering area.
9. flow control server according to claim 8, which is characterized in that the flow control server further includes：
First acquisition module obtains the pending data after receiving data read request for first receiving module
Corresponding target identification information；
First determining module, the target identification information for being obtained according to first acquisition module is from buffer unit set
Target cache unit corresponding to the middle determination pending data, wherein the buffer unit set includes at least one slow
Memory cell, and each buffer unit and an identification information correspond.
10. flow control server according to claim 8, which is characterized in that the flow control server further includes：
Second acquisition module detects whether the first buffering area is located for the detection module according to the data read request
After being written into state, if the first buffering area is not in the state of being written into, obtains and write in the first buffering area
The pending data entered.
11. flow control server according to claim 8, which is characterized in that the flow control server further includes：
Whether judgment module detects in the first buffering area according to the data read request for the detection module and is in
Be written into after state, if the first buffering area, which is in, is written into state, judge in the second buffering area whether include
The pending data having been written into；
Third acquisition module, if for the judgment module judge to obtain in the second buffering area do not include have been written into described in
Pending data then obtains the pending data being had been written into the first buffering area, and according to preset flow control strip
Part sends the pending data being had been written into the first buffering area.
12. flow control server according to claim 8, which is characterized in that the flow control server further includes：
Second receiving module receives the pending data before receiving data read request for first receiving module；
First writing module, if the first buffering area and the second buffering area that are used in the target cache unit are equal
For sky, then the first buffering area is written in the pending data received second receiving module, or waits locating by described
It manages data and the second buffering area is written.
13. flow control server according to claim 8, which is characterized in that the flow control server further includes：
Second writing module, after the first buffering area is written in the pending data for first writing module,
If the first buffering area in the target cache unit has been write completely, by pending data write-in second buffering
Area, or,
After the second buffering area is written in the pending data by first writing module, if the target cache unit
In the second buffering area write full, then the first buffering area is written into the pending data.
14. the flow control server according to any one of claim 8 to 13, which is characterized in that the sending module includes：
First transmission unit, for being sent in first time period in the second buffering area according to preset data transmission times
The pending data of write-in；
Second transmission unit, for reaching described pre- when transmission times of first transmission unit in the first time period
When setting data transmission times, sends in the second buffering area and have been written into second time period according to preset data transmission times
The pending data, wherein the second time period be the first time period after a period of time.
15. a kind of flow control system, which is characterized in that including：Transfer server, flow control server, database server with
And background server；
The transfer server, for obtaining pending data；
Flow control server described in any one of described flow control server the claims 8 to 14；
The database server, the pending data sent for storing the flow control server；
The Background control server, for controlling the transfer server, the flow control server and database clothes
Business device.
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